1950645396 has 48 divisors (see below), whose sum is σ = 5260187520. Its totient is φ = 551063040.

The previous prime is 1950645383. The next prime is 1950645407. The reversal of 1950645396 is 6935460591.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122985 + ... + 137936.

It is an arithmetic number, because the mean of its divisors is an integer number (109587240).

Almost surely, 2^1950645396 is an apocalyptic number.

It is an amenable number.

1950645396 is an abundant number, since it is smaller than the sum of its proper divisors (3309542124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1950645396 is a wasteful number, since it uses less digits than its factorization.

1950645396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261024 (or 261022 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 48.

The square root of 1950645396 is about 44166.1113977674. Note that the first 3 decimals coincide. The cubic root of 1950645396 is about 1249.4707937976.

The spelling of 1950645396 in words is "one billion, nine hundred fifty million, six hundred forty-five thousand, three hundred ninety-six".